Omega Men's Seamaster150 Analog Swiss Automatic Brown Leather Watch Stainless steel case with a brown leather strap. Fixed stainless steel bezel Black dial with luminous silver-tone hands and index hour markers. Minute markers around the outer rim Swiss-automatic Movement Case Diameter: 41.5mm Water resistant to 150m (500ft): in general, suitable for recreational surfing, snorkeling, and water sports, but not diving